# The Planning (Hazardous Substances) (Wales) Regulations 2015, Paragraph 17

Extent: E+W

Potassium nitrate (5,000/10,000)
This applies to those composite potassium-nitrate based fertilisers (in prilled/granular form) which have the same hazardous properties as pure potassium nitrate.

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Source: https://www.legislation.gov.uk/wsi/2015/1597/schedule/1/paragraph/17 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-wales-regulations-2015/schedule-1/paragraph-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.